Side Business HELP

I currenty havea bout 30 yards and also work a full time 8-4 job. I was wanting to grow my business, but into more of a side job. I would like to hire some employees and have them do the work, and i could take care of the books and bidding. Does anyone have a good book or webiste *(besides lawnsite. ive looked at a ton, and found good info but still need more) I know that alot of you all have done this, and if you would emai me at Traxx44@aol.com I would greatly appreciate your help